The point at which a child becomes an adolescent is defined by the onset of puberty or by the beginning of the teenage stage. Adolescence is also viewed as ending with the teenage stage. However, in some individuals (particularly females), puberty begins in the preadolescence years.
Grundy County, Illinois. Grundy County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 50,063. Its county seat is Morris. Grundy County is part of the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area.
Jackson County Courthouse in Murphysboro. Jackson County is a county located in the U.S. state of Illinois with a population of 60,218 at the 2010 census. Its county seat is Murphysboro, and its most populous city is Carbondale, home to the main campus of Southern Illinois University. The county was incorporated on January 10, 1816 and named for Andrew Jackson. Jackson County is included in the Carbondale-Marion, IL Metropolitan Statistical Area. It is located in the southern portion of Illinois known locally as Little Egypt.